Aimed at the 3-8 age group this innovative book applies the Haynes treatment to one of the most popular childrens characters. Inspired by the world-famous Haynes manuals this book explains how Thomas works how his driver operates him & how the engineers of the Sodor railway keep him in tip-top condition. Some of Thomas friends also feature with Henrys overhaul for example offering the chance for young readers to see how a steam engine is taken apart & refitted. This brightly designed book will delight children & parents alike.